Enable position control for Easystar type planes
Bring back proper log conversion copy operation
Work queue in RGB driver without work_cancel()
Fixed some stupid compile errors
Merge pull request #466 from PX4/work_queue_test

RGB Led work queue revision - fixes #464
Merge branch 'master' of github.com:PX4/Firmware into gimbal_rc_control
Enable payload channels as direct pass-through from manual control